AC Digital Meter

AC Digital Meter

1. Brief Introduction  

DTSF/U353 is a three phases four wires digital energy meter with current transformer, LCD backlight, IR & RS485 communication ( protocol EN62056:IEC1107 & DLT645:2007 ) and tariff, which can measure and record the active energy consumption of load in 50Hz single phase AC power grid

2. Technical Parameter of 3P Din Rail Meter

3. Function Description

3.1 Din Rail Energy Digital Meter Metering Function

Active & reactive energy, forward & reverse measurement

3 elements settable (positive,positive+negative,positive-negative)

CT ratio range: 5:5 ~7500:5

(5:5,40:5,50:5,60:5,75:5,100:5,125:5,150:5,200:5,250:5,300:5,400:5,500:5,600:5,800:5,1000:

5,1250:5,1500:5,2000:5,2500:5,3000:5,4000:5,5000:5,6000:5,7500:5)

5:5----40:5        LCD=5+3;

50:5----300:5     LCD=6+2;

400:5----3000:5  LCD=7+1;

4000:5----7500:5  LCD=8+0;

Support max demand

Support resetting energy

Support setting holiday tariff & weekend tariff

3.2 Communication Function

Support IR communication, EN62056 (IEC1107) protocol

RS485 Communication, DLT 645:2007 protocol

3.3 Measuring Devices meter wholesale Display Function

Displaying total energy, tariff energy, 3 phases voltage, 3 phases current, power, apparent power, power factor, frequency, demand, ct ratio, impulse output, communication address etc.

Plz refer to LCD display part

3.4 Keypad Function

Selecting display content, setting CT ratio, LCD scrolling period and resetting energy & backlight type via 2 keypads.

Setting content of automatic scrolling mode via IR

3.5 Backlight Display

Support 3 types of displaying can be set via keypads:

Selecting lighting when pressing the key / normal bright / normal dimmed

3.6 Din Rail Meter Impulse Output

Support 4 types of impulse output method via communication:

Selecting 12000 / 1200 / 120 / 12